JACKSONVILLE, Fla. -- 'Tis the season for getting your packages to Grandmother's house!

On Monday the United States Postal Service will be moving around 655 million pieces of mail.

That is over 100 million more than an average day and a 20% increase over last year. To help get ready for the holiday rush, the postal staff at the National Operations Center have been on around the clock duty since December 4th.

Monday is also the last day to ship an item via Global Express Guaranteed if you need to get a gift to a loved one overseas by Christmas.

The very last day you could send anything and have it make it by Christmas is December 22nd if you use Express Mail.

If you are looking to save some cash, Monday is also free shipping day for around 1,600 retailers. Go to the website www.freeshippingday.com to check out all the deals!